Couderay, WI 54828 Frost Dates
54828, near Couderay, WI: the frost window
The NOAA station nearest to 54828 does not report a usable frost-date normal for either event, so no last-frost or first-frost figure is shown here. The USDA hardiness zone below is still real: Zone 4a (-30 to -25°F average annual minimum).
Couderay against the rest of the dataset
Couderay's growing season runs about 100 days, ranking 39,726 of 40,283 US ZIP codes measured here, longest to shortest. Within WI, it ranks 859 of 860.
Learn more
Two guides worth reading on 54828: the methodology, on exactly which NOAA and USDA figures feed 54828's numbers, and zone vs. frost date, on why Zone 4a and Couderay's frost date answer different questions.